| Patents for G01C 17 - Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (3,922) |
|---|
| 02/06/1996 | US5488778 Electronic magnetometer and compass |
| 01/16/1996 | US5485385 Magnetic azimuth sensor compensation apparatus for vehicle navigation system and method thereof |
| 01/10/1996 | EP0691523A1 Method for determining the yaw angle of a vehicle |
| 01/09/1996 | US5481808 Vehicle orientation sensor and method with magnetic stabilization |
| 12/19/1995 | US5477470 Real-time digital orientation device |
| 12/14/1995 | WO1995033976A1 A solar compass |
| 12/13/1995 | CN1113317A Azimuth indicator equipped with anenometer capable of indicating blowing direction of wind |
| 12/12/1995 | US5475600 Mobile robot which utilizes inertial navigation to calculate shortest return distance |
| 12/06/1995 | CN2214665Y Hall compass master compass |
| 11/28/1995 | US5469631 Air bubble free compass and method of manufacturing same |
| 11/28/1995 | US5469630 Gimballed compass device |
| 11/22/1995 | EP0604466B1 Process for compensating a magnetic interference field in a vehicle |
| 11/15/1995 | CN2212772Y Electronic compass |
| 11/14/1995 | CA2102505C Electronic direction finder |
| 11/09/1995 | EP0704047A4 Direction indicator for navigation |
| 10/31/1995 | US5461792 Navigation aid with biangulation |
| 10/24/1995 | US5459931 Direction indicator |
| 10/11/1995 | EP0676035A1 Compensation system for electronic compass |
| 10/04/1995 | EP0675339A1 Geomagnetic direction sensor |
| 10/04/1995 | EP0513039B1 Navigation aid including map transparency holder |
| 09/26/1995 | US5452519 Attitude sensor |
| 09/13/1995 | EP0587618B1 Attitude sensor |
| 09/12/1995 | US5448835 For determining direction relative to an external magnetic field |
| 08/31/1995 | WO1995023343A1 Device for measuring magnetic fields |
| 08/31/1995 | WO1995023342A1 Device for measuring magnetic fields |
| 08/29/1995 | US5444916 Electronic stereo clino-compass |
| 08/23/1995 | EP0668485A1 Method for reproducing vehicle yaw angle from erroneous data |
| 08/23/1995 | EP0668484A1 Manual compass-clinometer |
| 08/16/1995 | EP0667254A1 Vehicle information display |
| 08/08/1995 | US5440484 Calibration method for a relative heading sensor |
| 08/08/1995 | US5440303 Direction detecting apparatus and method thereof |
| 08/02/1995 | EP0664878A1 Process for determining a vehicle yaw angle. |
| 07/25/1995 | US5435070 Simplified compass with multiple segment display capability |
| 07/19/1995 | CN2203774Y 示向仪 Shows the instrument |
| 07/18/1995 | CA2000425C Locator for a moving body |
| 07/05/1995 | CN2202914Y Ship magnetic compass |
| 06/22/1995 | DE4342596A1 Electronic magnetic compass for compensation of course indication errors caused by ship's inclination |
| 06/20/1995 | US5425178 Solar compass |
| 06/14/1995 | EP0657746A2 Process for compensating a magnetic interference field in a vehicle |
| 06/14/1995 | EP0657717A1 Wrist watch with compass and anemometer |
| 06/14/1995 | CN1028918C Compass watch of mechanically or electromechanically driver type and bezel specifically intended for such watch |
| 05/04/1995 | WO1995012108A1 Compensation system for electronic compass |
| 05/03/1995 | CN2196292Y 折叠式地图指北针 Folding map compass |
| 04/05/1995 | EP0646773A1 Navigation aid including map transparency holder |
| 03/16/1995 | WO1995007526A1 Electro-optic vision systems which exploit position and attitude |
| 03/15/1995 | EP0640207A4 Calibration method for a relative heading sensor. |
| 03/14/1995 | US5396709 Method and apparatus for precise calibration of magnetic compass and preparation of deviation tables |
| 03/09/1995 | WO1995006824A1 Pendulum face bearing |
| 03/02/1995 | WO1995006233A1 Manual compass-clinometer |
| 03/01/1995 | EP0640207A1 Calibration method for a relative heading sensor |
| 02/28/1995 | US5394029 Geomagnetic orientation sensor, means, and system |
| 02/14/1995 | US5390122 Method and apparatus for calibrating a vehicle compass system |
| 02/14/1995 | US5388337 Angle orienting level apparatus |
| 01/25/1995 | CN2188195Y Compass vehicle |
| 01/24/1995 | US5383280 Direction indicator for navigation |
| 01/18/1995 | EP0634001A1 Automatic calibration of magnetic compasses |
| 01/18/1995 | CN2187780Y Laser aiding observation all-position compass |
| 01/17/1995 | US5381603 Reference pointer for a compass display |
| 12/20/1994 | US5373857 Head tracking apparatus |
| 11/30/1994 | CN2184188Y Magnetic encoding compass |
| 11/29/1994 | US5367781 Directional indicator |
| 11/17/1994 | EP0513019B1 Position sensor |
| 11/16/1994 | CN1026613C Vernier compass |
| 11/09/1994 | EP0623806A2 Method and apparatus for calibrating a vehicle compass system |
| 10/26/1994 | EP0621459A1 A map-reading electronic compass |
| 10/26/1994 | EP0611439A4 Reference pointer for a compass display. |
| 10/12/1994 | CN1093461A Five emperors south-seeking vehicle, and five vehicle probability calibrating method |
| 10/05/1994 | EP0617787A1 Vehicle compass with electronic sensor |
| 10/04/1994 | US5353241 Shifting system and method for an electronic compass system |
| 09/29/1994 | DE3831952A1 Arrangement in a torpedo search head |
| 09/27/1994 | US5351204 Scaling system and method for an electronic compass |
| 09/20/1994 | US5349530 Direction detecting device |
| 09/20/1994 | US5349529 Method of correcting magnetization vector |
| 09/06/1994 | US5345382 Calibration method for a relative heading sensor |
| 08/24/1994 | EP0611439A1 Reference pointer for a compass display. |
| 08/23/1994 | US5339529 Magnetic sensor mount |
| 08/23/1994 | US5339528 Transparency holder for navigation aid |
| 08/16/1994 | US5339246 Apparatus for correcting vehicular compass heading with the aid of the global positioning system |
| 08/03/1994 | EP0608496A1 Electronic inclinometer and compass |
| 07/27/1994 | CN2172858Y Multi-functional compass with single-page calendar and magnifying glass |
| 07/26/1994 | US5333110 Electronic magnetic compass system and method for interpreting directions of a vehicle |
| 07/19/1994 | US5331563 Navigation device and direction detection method therefor |
| 07/14/1994 | DE4329298C1 Pendulum shaft end bearing for measuring instrument |
| 07/06/1994 | EP0604466A1 Process for compensating a magnetic interference field in a vehicle. |
| 07/05/1994 | US5327348 Vehicle-direction detecting apparatus |
| 06/21/1994 | US5323336 Noise removal method for an electronic compass |
| 06/15/1994 | EP0602013A2 Calibration apparatus of angular velocity sensor in self-contained navigational system |
| 06/15/1994 | CN2169115Y Compass with fixed direction guide |
| 06/09/1994 | WO1994012853A1 Direction indicator for navigation |
| 06/08/1994 | CN2168239Y Electronic directional instrument for vehicle and ship |
| 06/07/1994 | US5319561 Apparatus for estimating current heading using magnetic and angular velocity sensors |
| 05/24/1994 | US5313712 Scuba diving instrument console having swivelling compass assembly |
| 05/11/1994 | CN2164546Y Compass measurer |
| 05/10/1994 | US5311203 Viewing and display apparatus |
| 05/06/1994 | CA2101993A1 Bow compass apparatus |
| 04/28/1994 | WO1994009341A1 Process for determining a vehicle yaw angle |
| 04/27/1994 | EP0594496A1 Thermal camera with determination of the orientation of the line of sight |
| 04/26/1994 | US5307277 Location detecting apparatus |
| 04/06/1994 | EP0590413A1 Electronic compass for vehicle navigation |
| 03/23/1994 | EP0587954A1 Electronic direction finder |